/**
 * Copyright (c) 2020 dingqianwen (761945125@qq.com)
 * <p>
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package cn.ruleengine.core.decisiontable.strategey;

import cn.ruleengine.core.decisiontable.DecisionTableStrategyType;
import org.springframework.lang.NonNull;

import java.util.Objects;

/**
 * 〈一句话功能简述〉<br>
 * 〈〉
 *
 * @author dingqianwen
 * @date 2020/12/19
 * @since 1.0.0
 */
public class DecisionTableStrategyFactory {

    /**
     * 获取执行策略执行器
     *
     * @param strategy 执行策略类型
     * @return Strategy
     */
    public static DecisionTableStrategy getInstance(@NonNull DecisionTableStrategyType strategy) {
        Objects.requireNonNull(strategy);
        switch (strategy) {
            case ALL_PRIORITY:
                return AllPriorityStrategy.getInstance();
            case HIGHEST_PRIORITY_SINGLE:
                return HighestPrioritySingleStrategy.getInstance();
            case HIGHEST_PRIORITY_ALL:
                return HighestPriorityAllStrategy.getInstance();
            default:
                throw new IllegalStateException("Unexpected value: " + strategy);
        }
    }

}
